org.virbo.dataset
Class IndexListDataSetIterator

java.lang.Object
  org.virbo.dataset.IndexListDataSetIterator

All Implemented Interfaces:

DataSetIterator

public class IndexListDataSetIterator
extends java.lang.Object
implements DataSetIterator

Constructor Summary

IndexListDataSetIterator(QDataSet indeces)

Method Summary

double	getValue(QDataSet ds) get the value from ds at the current iterator position.
boolean	hasNext()
int	index(int dim)
int	length(int dim)
void	next()
void	putValue(WritableDataSet ds, double v) replace the value in ds at the current iterator position.
int	rank() return the rank of the dataset which the iterator will walk through.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

IndexListDataSetIterator

public IndexListDataSetIterator(QDataSet indeces)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface DataSetIterator

index

public int index(int dim)

Specified by:

index in interface DataSetIterator

length

public int length(int dim)

Specified by:

length in interface DataSetIterator

next

public void next()

Specified by:

next in interface DataSetIterator

rank

public int rank()

Description copied from interface: DataSetIterator

return the rank of the dataset which the iterator will walk through. Note this needn't be the same rank as the dataset!

Specified by:

rank in interface DataSetIterator

Returns:

getValue

public final double getValue(QDataSet ds)

get the value from ds at the current iterator position.

Specified by:

getValue in interface DataSetIterator

Parameters:

ds - a dataset with capatible geometry as the iterator's geometry.

Returns:

the value of ds at the current iterator position.

putValue

public final void putValue(WritableDataSet ds,
                           double v)

replace the value in ds at the current iterator position.

Specified by:

putValue in interface DataSetIterator

Parameters:

ds - a writable dataset with capatible geometry as the iterator's geometry.

v - the value to insert.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object